StacksVerified U.S. regulatory reference

49 CFR §173.206

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)When § 172.101 of this subchapter specifies that a hazardous material be packaged under this section, only non-bulk packagings prescribed in this section may be used for its transportation. Each packaging must conform to the general packaging requirements of subpart B of part 173, to the requirements of part 178 of this subchapter at the Packing Group I or II performance level (unless otherwise excepted), and to the particular requirements of the special provisions of Column (7) of the § 172.101 Table.
  2. (b)The following combination packagings are authorized:
  3. (c)Except for transportation by passenger aircraft, the following single packagings are authorized:
Outer packagings: Inner packagings: Plastic receptacle in steel drum: 6HA1 Cylinders (for liquids in PG II), specification, as prescribed for any compressed gas, except Specification 8 and 3HT cylinders.